In most WANs , the network contains numerous cables or telephone lines, each one connecting a pair of-
In most WANs, the network contains numerous cables or telephone lines, each one connecting a pair of router.
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. A data packet is typically forwarded from one router to another router through the networks that constitute an internet work until it reaches its destination node.